Equity markets priced in lower risk premiums for OEMs with diversified finance or lease a car offerings, fueling rallies in multinational auto stocks. DETROIT (Reuters) -Ford and General Motors are racing to sign up car dealers for programs that would effectively extend the use of a $7,500 U.S. tax credit on leases of electric vehicles beyond the Tuesday expiration of the federal subsidy, according to dealers and documents. . Check with your nearest dealer for offers on existing inventory. The S&P Auto sector index is trading near a 3-week high on stronger-than-expected consumer financing appetite. Finance or lease a car trends are viewed as a hedging mechanism against interest rate uncertainty.